(1) Hover your mouse on the playing Videolog video, making Lassie matrix a cadela ninja for example,
you will see a small button appeared near your mouse, like this:

(2) Click the 'GetIt' button, then the Grab++ will be run.

(i) When you first run the Grab++, it will noctify you refresh the page to grab the playing Videolog video. ( if the Grab++ has been run before you play the videolog video, the hint dialog will not be displayed. )

(ii) Close the 'Hint' dialog. Then refresh (press F5 or ctrl+F5 in your browser or click the 'Refresh' button in your browser) the webpage, you will find that the playing videolog video has been grabbed and listed in the Grab++ interface: